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Finding the Third Proportional to 579,970 and 887,289

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Solution

The third proportional to 579,970 and 887,289 is: 1,357,452.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,970 : 887,289 = 887,289 : x
  2. Step 2: Convert to fraction form
    579,970/887,289 = 887,289/x
  3. Step 3: Cross multiply
    579,970x = 887,289 × 887,289
  4. Step 4: Simplify right side
    579,970x = 787,281,769,521
  5. Step 5: Solve for x
    x = 787,281,769,521/579,970
  6. Step 6: Final answer
    x = 1,357,452.57

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.